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Antenna verticale homemade per auto
Inserire l'induttanza di raccorciamento a meta', o meglio oltre la meta',alla base l'induttanza e' minore, la corrente e' molto elevata e per ridurre le perdite c'e da usare filo molto grosso
post 30 Jun 2024
Antenna HF Portable Links →
HF vertical portable for 20mt
Si tratta come da titolo di una canna da pesca lunga m.4,5 utilizzata in 20 e 40 m
Kite Drachens mobil 80m Bandes
The Cody - kite may also be used to generate Kite Arial Photographies (KAP) from heights far up in the sky
Marittime mobile dilole V 40mt
Adapt the dimensions according to the dimensions of the boat respecting the basic lengths 1/2 lambda
Hi-Q-Antennas for HF Ham Radio Mobile Operation
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Si tratta come da titolo di una canna da pesca lunga m.4,5 utilizzata in 20 e 40 m
The Cody - kite may also be used to generate Kite Arial Photographies (KAP) from heights far up in the sky
Adapt the dimensions according to the dimensions of the boat respecting the basic lengths 1/2 lambda
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
30 Volt Computer Power Supply Stack A bonus was that i discovered that these did not need a standby load connected to the supply to keep them running just apply mains power and close the Start lead to ground